Finding the Fourth Proportional to 264,839.73, 365,482.99 and 143,981.48
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Solution
The fourth proportional to 264,839.73, 365,482.99 and 143,981.48 is: 198,696.71
Step by Step Solution
- Step 1: Write the proportion equation
264,839.73 : 365,482.99 = 143,981.48 : x - Step 2: Convert to fraction form
264,839.73/365,482.99 = 143,981.48/x - Step 3: Cross multiply
264,839.73x = 365,482.99 × 143,981.48 - Step 4: Simplify right side
264,839.73x = 52,622,782,368.78 - Step 5: Solve for x
x = 52,622,782,368.78/264,839.73 - Step 6: Final answer
x = 198,696.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.